CONTENTS. 



SESSION 1886-87. 



PAGE 



I. Opening Address.— Mr Symington Grieve, President, . . 1 



II. Notes on Bird-Life. —Mr E. Stewap.t, S.S.C, .... 12 



III. Polyiiorus giganteus, Fr. — Mr A. B. Steele, . . . . 18 



IV. Exhibition of a White Sparrow. — The Secretary, ... 19 

 V. Apochromatic Object-Glasses Mr W. Forgan, ... 21 



VI. Jottings on a Eamble in Wester Ross. — Mr J. Allan, . . 23 

 VII. Ormiston Hall: Its Yew-tree and other Antiquities. — Mr J. 



Lindsay, 30 



VIII. The Paridse, or Titmice.— Mr A. Craig, 41 



IX. The Fossils of the Ked Crag and Chalk Pits, Suffolk.— Miss M. 



M'Kean, 51 



X. Notes on some New and Rare British Plants. — Mr Symington 



Grieve, President, .55 



XI. On Dark-ground Illumination, as showing Peculiarities of certain 



Diatoms. — Mr W. Penman, Assoc. M.Inst.C.E., ... 56 



XII. Hume's Projection Microscope. — Mr W. Hume {Communicated), 61 



XIII. The Hare.— Mr T. Speedy, 64 



XIV. Swallows and Starlings Feeding in Concert. — Mr A. B. Herbert, 71 

 XV. Fawside or Falside Castle.— T. A. Douglas Wood, F.S.A.Scot., 72 



XVI. List of the Less Common Plants gathered at the Excursions 



during 1886 and 1887, with Localities. — The Secretary, . 79 



XVII. The Diatoms of Linlithgow Loch. — Mr J. Lindsay, ... 80 



XVIII. Grouse Disease.— Mr T. Speedy, 82 



Meetings of Microscopic Section, 89 



Animal Business Meeting, 90 



SESSION 1887-88. 



I. Recent Notes on the Great Auk or Garefowl {loith two Plates). 



— Mr Symington Grieve, President, 93 



II. The Rook.— Mr T. Si'eedy, 120 



III. Notes on the Coniferoe.— Mr H. Fraser, 126 



